Montana · Plumbing
Whole-House Repipe cost in Montana
Statewide pricing, permit posture and inspection sequence for whole-house repipe in Montana. Your city or county issues the actual permit — use the local links below to confirm fees.
Verified August 2026
Whole-House Repipe cost in Montana
$4,500 – $16,000
Most Montana homeowners pay around $8,200, or $4,500–$16,000 per house repiped. Permit fees typically add $105–$395.
Permit: Yes. Montana Residential Code, based on the IRC, where adopted locally
Cost breakdown
| Budget scope | $4,500 |
|---|---|
| Typical project | $8,200 |
| Premium / complex | $16,000 |
| per house repiped | $4,500 – $16,000 |
| Permit fees | $105 – $395 |
| vs national baseline | 0% |
| Timeline | 3-6 days of work, 2-5 weeks including inspections and drywall repair |
What is different about whole-house repipe in Montana
Bozeman and Whitefish price like resort markets while the rest of the state prices well below the national baseline; snow load drives structural scope statewide.
Owner-builder: Owner-builder permits common. Whole-House Repipe generally requires a licensed contractor to pull the permit, even where owner-builder status is available.
Inspections
- Rough plumbing / pressure test
- Drywall patch
- Final inspection
What drives the price
- Number of bathrooms and fixtures
- Slab versus attic routing
- PEX versus CPVC versus copper
- Drywall cutting and patching
- House square footage and stories
Frequently asked questions
Do I need a permit to repipe a house?
Yes. A whole-house repipe is major plumbing work and requires a permit, a pressure test inspection and a final inspection in every Florida jurisdiction.
Sources
Sources & verification
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.